1230377 has 2 divisors, whose sum is σ = 1230378. Its totient is φ = 1230376.

The previous prime is 1230373. The next prime is 1230379. The reversal of 1230377 is 7730321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 87616 = 1069^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230377 - 2² = 1230373 is a prime.

Together with 1230379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1230371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615188 + 615189.

It is an arithmetic number, because the mean of its divisors is an integer number (615189).

2^1230377 is an apocalyptic number.

It is an amenable number.

1230377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230377 is an equidigital number, since it uses as much as digits as its factorization.

1230377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 1230377 is about 1109.2236023454. The cubic root of 1230377 is about 107.1550725544.

Adding to 1230377 its reverse (7730321), we get a palindrome (8960698).

The spelling of 1230377 in words is "one million, two hundred thirty thousand, three hundred seventy-seven".